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Lavoie LA-265A: Difference between revisions
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The ''' | {{Oscilloscope Sidebar| | ||
[[letter-series and 1-series plug-ins]]. | title=Lavoie LA-265A | | ||
image=LA265A front.JPG | | |||
caption=Lavoie LA265A with [[Lavoie LA-265-CA]] Plug-in | | |||
introduced=(?) | | |||
discontinued=(?) | | |||
summary=33 MHz oscilloscope | | |||
manuals= | |||
* [http://w140.com/LA265A.pdf Lavoie LA-265-A Manual (PDF)] | |||
}} | |||
The '''Lavoie LA-265A''' is a 33 MHz scope that takes | |||
[[letter-series and 1-series plug-ins]]. It is an unauthorized clone of a | |||
[[545|Tektronix 545A]] made for a defense contract by [[Lavoie Laboratories]]. | |||
It has two timebases, which allows delayed triggering. | It has two timebases, which allows delayed triggering. | ||
==Internals== | ==Internals== | ||
=== Electrical difference to 545 === | === Electrical difference to 545 === | ||
The high-voltage circuit is not identical to that of the Tektronix [[545|545A]]. | The high-voltage circuit is not identical to that of the Tektronix [[545|545A]]. | ||
Neon lamps are used to stabilize the high voltage in brightness circuit. | |||
However, the | However, the neon lamp stabilizer is often faulty - the | ||
lamps aged too fast, with the result that the trace flickers. | |||
=== Mechanical difference to 545 === | === Mechanical difference to 545 === | ||
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silver-bearing solder, ordinary solder is fine for working on the Lavoie. | silver-bearing solder, ordinary solder is fine for working on the Lavoie. | ||
This is because the terminal strips in the Lavoie have tin-plated steel inserts. | This is because the terminal strips in the Lavoie have tin-plated steel inserts. | ||
==Links== | ==Links== | ||
| Line 27: | Line 34: | ||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
LA265A_1.jpg | Lavoie LA265A with [[Lavoie LA-265-CA]] Plug-in | |||
Lavoie ca plugin.jpg | [[Lavoie LA-265-CA]] Plug-in | |||
LA265A_2.jpg | Ceramic terminals with tin-plated steel insert | |||
LA265A_HV.png | Schematic of HV-Supply, glow stabilizer | |||
Lavoie la-265a 1.jpg|Lavoie LA-265A with Tektronix [[B|Type B]] | |||
Lavoie la-265a 2.jpg|Lavoie LA-265A with Tektronix [[B|Type B]] | |||
Lavoie la-265a 3.jpg|Lavoie LA-265A with Tektronix [[B|Type B]] | |||
Lavoie la-265a 4.jpg|Lavoie LA-265A with Tektronix [[B|Type B]] | |||
Black la265a 1.jpg|Black front LA-265A | |||
La 265a side.jpg|Side view | |||
La265a rear.jpg|Rear view | |||
</gallery> | </gallery> | ||
[[Category:500 series scopes]] | [[Category:500 series scopes]] | ||
[[Category: | [[Category:Lavoie products]] | ||
[[Category:Clones of Tektronix instruments]] | |||